It's a broken mess.

There is no obvious way to show bookmarks in the sidebar. I searched for about 10 minutes and could not find an option to show the bookmarks. All I got in the sidebar was tabs—which I definitely did not want to show in my sidebar. Moreover, even it I were able to located the setting to install my bookmarks in the sidebar, I do not believe I would be able to with one click open a sidebar with my bookmarks showing. Apparently I would have had to click on the Firefox sidebar icon, then to click on the Sidebery icon. That's not acceptable. Is it unreasonable to be able to make one click to show a sidebar of bookmarks?

What is the point of this? Theres folder, but then the tabs are all still in full view in the bar. It sounded like it would function like chrome, where you can open and close the folder, so as to, ya know, organize your tabs??? and not have 15 open ones cluttering up the bar? Useless extension

When I open it, I want it to default on 'bookmarks' not 'sidebery'. I'm not going to spent all night with my head buried in Settings trying to figure how to change the default.

Started OK, went well for a couple of days, then just disappeared! Re-installed, no show. Forget it, not worth the hassle!

Tab panels have started to merge. This is very bad. Now dozens of sorted tabs are mixed together. The extension is broken. UPDATE IT.

It started out ok but several times now I start Firefox and all my groups are empty, and instead, all tabs are just listed in one window, hundreds of them! what a complete waste of time. I spent hours fixing it only to find several days later it had done it again. I did some searching and found this is quite an old bug and seems to be has never really been resolved. Stay away from this extension if you value your links

Rotding brengt alles in de war, waarom de systemtray, hoe raak ik dat kwijt, config is een jungle.

Since the last update, this app is clunky, slow, and frequently crashes (the biggest crashed my whole system) with no way to retrieve my previous loaded webpages. After uninstalling the extension, I no longer have access to the usual Firefox browser - the tabs are gone and only accessible from "List all tabs" menu, also, new tabs can only be opened using the "Application menu".

Make setting for default panel (bookmars or tabs or ...). I need bookmarks, but it allways open tabs first.

If you shift-click select in a search filtered view it selects tabs that aren't shown due to the filter. How did anyone think that was a good idea? User hostile design choice

It looks good but how do I hide all the tabs at the top of my browser?

Doesn't work across multiple windows, which makes the entire extension useless to me. (every window acts as a completely separate instance with separate tab groups)

Someone recommended this as a replacement for Simple Tab Groups, which it definitely isn't because of this.

It looked fantastic, until I got no scroll bar and more tabs than fit vertically :( Thank you anyway, it probably works fine elsewhere.

TST user here.
Maan, please, first of all, why is the f Sideberry don't have same colors as of my theme installed? Secondly, I didn't find any way to show tabs as icons, to customize it via CSS, and etc. Sorry, but TST is better!

Too much hassle. All I want is to move my tabs from the top to the left side bar. But this add-on does nothing to remove the tabs from the top of your browser. It's pointless. You are required to follow some complex steps which don't even seem to work. Their own github page is out of date, talking about firefox from 100 years ago.

I haven't used firefox for a decade. I thought I'd give version 100 a go, and immediately wanted this add-on. Seeing now why I didn't bother with Firefox anymore. It's decades behind other browsers, as are the addons.

keeps resetting my whole tab collection. I like it a lot , but it keeps doing this every time I open Firefox after bootup
Update: 26.5.2022
Still messing with the structure of the groups. I am so sad, since this is the best way to use tree style tabs. Please fix it

It seemed very promising at first but this extension just did not work for me. Every time I would close Firefox led to losing my tabs and the organisation. The sync function didn't seem to work.

After rebooting computer - all settings gone